“…The personality of the nurses is considered to be very important during the treatment (Palmer, 1937) and afterwards to facilitate the simple psychotherapy that is required (Maier, 1934). Duration of Narcosis This ranges from 4 to 5 days (Klasi, in some cases, and Barkas and Dawson) to as long as 22 days (Palmer and Braceland) or even 27 days (Demole, 1921).…”